pentobarbital will reduce the extent or outcome of alosetron by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Importance Unfamiliar.pentobarbital will reduce the extent or outcome of etravirine by impacting hepatic enzyme CYP2C9/10 metabolism. Use Caution/Keep an eye on.pentobarbital will minimize the extent or outcome of fostemsav